While on guard, Evan was full of doubts. Pen, fun, and www.biquge.info

He wasn't surprised that he was able to find a hidden secret passage, and there were many such secret places in Hogwarts Castle.

For example, the Slytherin Secret Room, the secret treasure of the Big Four inside the giant statue, the Room of Requirement, the basilisk running through the pipes when I was in first grade, the blue room found somewhere in the Ravenclaw Tower, and many secret passages.

Even after a thousand years, there are still many hidden secrets in the castle waiting to be discovered.

If you're lucky, you'll be able to find rare magical items or magical texts left behind by your ancestors.

If you're unlucky enough to enter a Slytherin chamber, you'll have to be prepared to be food for the basilisk.

Of course, the vast majority of these chambers had nothing in them, or had long since collapsed into ruins.

Whatever the purpose, the wizards who built these secret places were once part of Hogwarts, and most of them were well-intentioned or neutral, leaving behind dangerous traps, magical beasts, or curses like hidden treasures and tombs.

But the secret space that Evan found in the basement of the kitchen was very different.

At the entrance, there is a shelf full of persecuted house-elf heads, setting traps.

Along the way, Evan also found many traces of black magic like this, but due to the passage of time, these magic have become ineffective.

Thankfully, they're no longer effective, and if they don't, Evan doesn't know how many times he'll be attacked right now.

This evil dark style is completely different from the style of other secret rooms in the school.

As you can imagine, the wizard who built this place is a dark wizard with a twisted and dangerous personality.

He probably lived hundreds of years ago in the early days of Hogwarts, and built this secret passage deep beneath the school for some shady purpose.

Because he didn't want to be discovered, he left a lot of black magic and curses inside and outside the secret passages.

Truth be told, Evan didn't want to know what a dark wizard from hundreds of years ago was going to do, and he wasn't going to get into new trouble, he just wondered if it had anything to do with the secret treasure key left behind by Hufflepuff......

He had obtained the Philosopher's Stone from Gryffindor, and Ravenclaw and Slytherin had clues and progress.

If you follow the two routes of the fishman and the vampire, sooner or later you will be rewarded.

Only Hufflepuff has no clue here, although it is speculated that Hufflepuff gave the treasure key to the house-elves for safekeeping, but this has not done much, and the house-elves who have a fault in the inheritance of civilization have not passed on this important secret.

The current house-elves and the ancient house-elves are completely different species.

It is almost impossible to find useful clues from them, so you can only look for them on your own.

In the current situation, Evan is not willing to give up anything that may have anything to do with Hufflepuff.

He was going to take a look at the end of the passage to see what was down there.

The temperature inside the passage was very cold, and Ewen and Dobby walked for more than ten minutes, and the staircase that meandered down seemed to never end.

Now, everything around was completely frozen in ice, and everything was shining in the light of the wand.

The ground is covered with a thick layer of ice, which is oddly shaped, and there is not much place to stay.

Evan walked hard, waving his wand to create a place for himself to stay.

The ice is not white like ordinary ice and snow, but a strange color with a cyan blue halo.

That's because of the magic involved, the ice doesn't form naturally, it's magically created.

The magic in the air was just as strong, a strange rhythm of magic that Evan had never encountered before.

He was a little inexplicably uneasy, but he didn't see any actual danger.

This powerful magical reaction made him involuntarily think of the Philosopher's Stone, but it felt a little wrong.

As for the power of the Philosopher's Stone, Aven had seen it in four places: the Moon Temple of the Centaur tribe, the ruins of the Fallen Centaur city, the underground golden grottoes in the mountains around Beauxbatons, and the silent temples in the swamps, each of which was far more shocking than here.

If this ice magic really uses the Philosopher's Stone as a source of mana, the power should not be so small.

Even if the whole of Hogwarts was frozen, Evan didn't feel strange, but felt normal.

But if it weren't for the Philosopher's Stone, then what would be the source of this magic power?

As we all know, there is no stable source of mana, and over time, no matter how strong a magic spell is, it will gradually become invalid.

Stronger wizards will make this process as long as possible, but it will definitely not last hundreds of years.

The useless dark magic that Evan had seen along the way was proof of this, the dark wizard who built this place didn't have the strength to sustain his magic for that long, and even if he could, the magic he left behind would be too weak to be as strong as it is now.

With many questions, Evan and Dobby descend to the bottom, where at the end of the passage is a wall of ice.

"Young Master Aven......" Dobby said worriedly, looking at the heavy wall of ice in front of him at a loss.

What worries him is the contents of the ice wall, and a circular altar-like building can be faintly seen.

In front of the building was a statue, with blue light and esoteric magical runes glowing in the middle area.

Ai Wen didn't act rashly to break the ice wall, he leaned on the ice wall and looked inside for a while, and the more he looked, the more he felt bad.

Judging from the information he had obtained in the magic book, the thing inside the ice wall could be a demon altar!

Thinking along this line of thought, Evan suddenly understood everything.

Why is it that so much time has passed, and there is still such a powerful magic reaction here.

The Dark Wizard who built this place intended to summon demons beneath Hogwarts, and judging by the many traces around him, he had already succeeded in summoning one.

All of these magical powers that made Evan feel strange and uneasy were demonic powers.

A demon altar, which is very, very evil black magic, should definitely be banned.

Demonic magic is known to be one of the strongest branches of dark magic, and was once prevalent in the Dark Ages of the Middle Ages and beyond.

Eventually, because this magic was so evil and profound, it gradually disappeared from the wizarding world.

In the book "Secrets of Cutting-edge Black Magic", there are two simple ways to summon demons.

Starting with those two spells, Aven has studied this aspect and read many magic books.

The more he learned, the more he realized how terrifying the demonic dark magic really was. (To be continued.) )